How about learning the internals of LLMs, is Sebastian Raschka's content still the best in 2026?

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> Open-Source AI

There are no open source AI models, at least not useful ones (yet [1]). Open weight is not the same as open source. "Open weight" models are still just inscrutable binary blobs that you can (theoretically) run on your own computer instead of through a SAAS web app. The open weight model labs don't even provide a high level catalog or any description whatsoever about what went into the training data.

This is not open source and we should stop conflating the two things.

[1] https://allenai.org/